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You can use them to check all the data or to modify them to fit your needs.Ĭalculation based on official Autodesk Revit Help.mcdx Pressure loss calculation for 15 kW.pdf (procedure like Autodesk Revit Help do)įiles in PTC Mathcad Prime format. Water flow rate 644.7 kg/hr, diameter of tube 20 mm, roughness 0.007, flow rate 0.583 m/s, temperature in/out - 80/60 C:įiles with the calculations for quick view and read of files content (PDF)Ĭalculation based on official Autodesk Revit Help.pdf Same I do not belong to the same organization, one way or another connected with the producers this software.
Want to mention once that I am not in any way claim to completeness and the accuracy of the data listed below, but the fact of differences in the calculations you may notice themselves, and all the data on them are presented "as is". So the question has arisen about - who is right? But in my experience their previous calculations could say that the diameter of the pipe must be at least 25 mm, which was subsequently confirmed in the program MagiCAD. Heating load on one floor - 15 kW.Īnd then I look at the section of the pipeline, which brings together all the radiators in a heap: Autodesk Revit automatically selects 20 mm diameter. This led me to investigate the most common case: notice how colleague was making selection of diameter pipeline using Autodesk Revit for the heating system. I knew one thing for sure: all calculations which at the time I performed using MagiCAD and Valtec was fine, all objects are finished and work perfectly. This review presents my comparison of methods for calculating the pressure loss a straight section of pipe with the help of these software:Īutodesk Revit, MagiCAD, Valtec and other.īefore this "test" I had no idea about two things : how and for what the exact formula settles pressure loss MagiCAD and Revit, and how these estimates are close to the Russian standards.
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